from django.shortcuts import render
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.contrib.auth import logout,login,authenticate
from django.contrib.auth.forms import UserCreationForm



def logout_view(request):
    logout(request)
    return HttpResponseRedirect(reverse('gewara:index'))


def register(request):
    '''注册用户'''
    if request.method != "POST":
        form = UserCreationForm()
    else:
        # 处理填好的表单
        form = UserCreationForm(data=request.POST)
        if form.is_valid():
            new_user = form.save()
            #让用户登录 再重定向到主页
            authenticated_user = authenticate(
                username=new_user.username,
                password=request.POST['password1'])
            login(request,authenticated_user)
            return HttpResponseRedirect(reverse('gewara:index'))

    context = {'form': form}
    return render(request,'users/register.html',context)
